noun
1 giving all your attention/effort to sth
ADJECTIVE
▪ deep , great , intense
▪ absolute , total
▪
a look of total ~ on her face
▪ good
▪ poor
▪ exclusive
VERB + CONCENTRATION
▪ demand , need , require
▪
The game requires great ~.
▪ lose
▪ break , disturb
▪
Don's voice from outside broke my ~.
CONCENTRATION + NOUN
▪ lapse ( esp. AmE )
PREPOSITION
▪ ~ on
▪
his ~ on his writing
PHRASES
▪ a lack of ~
▪ a lapse in ~ , a lapse of ~
▪
One momentary lapse in ~ could prove fatal.
▪ powers of ~
▪
She has great powers of ~ for a child her age.
2 large number/amount of sth in one place
ADJECTIVE
▪ elevated , great , heavy , high , large
▪
The greatest ~ of traffic is downtown.
▪ low
▪ varying
▪ calcium , glucose , oxygen , salt , etc.
▪
Evaporation gradually increases the salt ~ of the water.
▪ geographical
VERB + CONCENTRATION
▪ increase
▪ decrease , reduce
▪ calculate , determine , estimate
CONCENTRATION + VERB
▪ increase , rise
▪
The ~ of nitrates in the drinking water has risen in recent years.
▪ decrease , fall